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gpt-oss-120b vs Qwen3.8 Max Preview

Compare gpt-oss-120b from OpenAI and Qwen3.8 Max Preview from Qwen on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.

OpenAIgpt-oss-120bQwenQwen3.8 Max Preview
+ Add model · 2/4
OpenAI logo
gpt-oss-120b
OpenAI · text → text

gpt-oss-120b is a 117B-parameter open-weight Mixture-of-Experts (MoE) language model from OpenAI, designed for high-reasoning, agentic, and general-purpose production use cases. Activating just 5.1B parameters per pass, it is optimized to run on a single H100 GPU with native MXFP4 quantization. The model features configurable reasoning depth, full chain-of-thought access, and native tool use, including function calling, browsing, and structured output generation.

Input$0.18 /M
Output$0.90 /M
Details
Qwen logo
Qwen3.8 Max Preview
Qwen · text, image → text

Qwen 3.8 Max Preview(Qwen3.8-Max-Preview) is the latest-generation foundation model in the Qwen family, packing 2.4T parameters and still evolving. Compared with the previous flagship Qwen 3.7 Max, it delivers major gains in core capabilities like Coding and Cowork (professional productivity), with world-leading performance on complex, long-horizon tasks such as full-stack development, data analysis, and Office workflows. Launch offer: Credits are consumed at just 20% of the standard rate, effectively 5× your usage. Limited time only.

Input$0.34 /M
Output$1.01 /M
Details

Pricing & Specifications

Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.

gpt-oss-120b
Qwen3.8 Max Preview
Input /M
$0.18
$0.34
Output /M
$0.90
$1.01
Cache read /M
$0.18
$0.03
Context length
131,072
983,616
Max output
32,768
131,072
Time to First Token
0.2 s
2.4 s
Throughput
1101.0 tok/s
48.1 tok/s
Modalities
text
textimage
Supported Parameters
thinkingfunction callingstructured outputs
toolsfunction callingstructured outputsweblong contextthinking
API Formats
Released
-
-

Promotional prices show the discounted rate; see each model page for promotion windows.

Activity Past 30 Days

Daily traffic served through AIHubMix — how demand for each model is trending.

gpt-oss-120bqwen3.8-max-preview

Tokens / day

-

Requests / day

-

Performance Past 3 Days

Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.

gpt-oss-120bqwen3.8-max-preview

Throughput (tok/s)

-

TTFT (s)

-

Uptime (%)

-

LMArena Benchmarks

LMArena ratings by capability (Bradley-Terry, commonly called Elo). Higher is better.

Text
gpt-oss-120bqwen3.8-max-preview
12601340142015001580
Overall
13521481
Coding
13901520
Math
13811504
Hard prompts
13621506
Instruction following
13251478
Multi-turn
13271496
Creative writing
12771469
Longer query
13251497
Chinese
13721545
English
13601486

Source: LMArena (arena.ai) leaderboard, imported by AIHubMix. Models without published ratings are omitted per chart.

Cost calculator

Estimate your monthly bill for the same workload on each model.

gpt-oss-120b
$24.30 /mo
Qwen3.8 Max Preview
$35.49 /mo

Monthly = daily × 30. Discounted rates applied where a promotion is active.

FAQ

Which is cheaper: gpt-oss-120b, Qwen3.8 Max Preview?

gpt-oss-120b: $0.90/M output tokens; Qwen3.8 Max Preview: $1.01/M. Use the cost calculator above to estimate your own workload.

How do their coding arena scores compare?

Qwen3.8 Max Preview: 1520; gpt-oss-120b: 1390 (LMArena coding leaderboard).

Which responds faster?

gpt-oss-120b: 0.2s time to first token measured on AIHubMix; see the live performance charts above for how each model behaves across the day.

How large is each context window?

gpt-oss-120b accepts 131,072 and Qwen3.8 Max Preview accepts 983,616 input tokens. Maximum output per request is 32,768 tokens on gpt-oss-120b and 131,072 tokens on Qwen3.8 Max Preview.

Which one generates tokens faster?

gpt-oss-120b at 1101.0 tok/s and Qwen3.8 Max Preview at 48.1 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.

What inputs and capabilities does each model support?

gpt-oss-120b accepts text input and supports thinking, function calling and structured outputs; Qwen3.8 Max Preview accepts text and image input and supports tool calling, function calling, structured outputs, web search, long context and thinking.

Can I call gpt-oss-120b and Qwen3.8 Max Preview with the same API key?

Yes. AIHubMix serves every model on this page behind one OpenAI-compatible endpoint, so switching between them is a one-line change to the model field — no second account, key or SDK.

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